An anode material for lithium secondary battery, which comprises graphite particles
and a crystalline carbon coating layer formed thereon, wherein each graphite particle
has a bent laminate structure inside, is produced by grinding a graphite of 5 mm
or less in average particle diameter using an impact grinder to produce graphite
particles of 100 m or less in average particle diameter having a bent laminate
structure inside each particle and then subjecting the graphite particles to chemical
vapor deposition in a fluidized bed type reaction furnace to form a crystalline
carbon coating layer on the graphite particles.
